Unassociated Document

We consent to the incorporation by reference in the registration statement (No. 333-179178) on Form S-4 and the registration statements (Nos. 333-124772, 333-124178, 333-110066, 333-74448, 333-39786, 333-35889 and 333-07141) on Form S-8 of Trustmark Corporation of our reports dated February 27, 2012, with respect to the consolidated balance sheets of Trustmark Corporation and subsidiaries as of December 31, 2011 and 2010, and the related consolidated statements of income, changes in shareholders’ equity and cash flows for each of the years in the three-year period ended December 31, 2011, and the effectiveness of internal control over financial reporting as of December 31, 2011, which reports appear in the December 31, 2011 annual report on Form 10-K of Trustmark Corporation.